WO2016126507A1 - Valves à obturateur et sas à air pour un système de transport - Google Patents

Valves à obturateur et sas à air pour un système de transport Download PDF

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Publication number
WO2016126507A1
WO2016126507A1 PCT/US2016/015239 US2016015239W WO2016126507A1 WO 2016126507 A1 WO2016126507 A1 WO 2016126507A1 US 2016015239 W US2016015239 W US 2016015239W WO 2016126507 A1 WO2016126507 A1 WO 2016126507A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
gate
transportation system
airbag
gate valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2016/015239
Other languages
English (en)
Inventor
Brogan BAMBROGAN
Kyle COTHERN
Michael Gaunt
Daniel SHAFRIR
Thomas RONACHER
Joshua GIEGEL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyperloop Technologies Inc
Original Assignee
Hyperloop Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hyperloop Technologies Inc filed Critical Hyperloop Technologies Inc
Priority to RU2017131418A priority Critical patent/RU2643904C1/ru
Publication of WO2016126507A1 publication Critical patent/WO2016126507A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B13/00—Other railway systems
    • B61B13/08—Sliding or levitation systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B13/00—Other railway systems
    • B61B13/10—Tunnel systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C11/00—Locomotives or motor railcars characterised by the type of means applying the tractive effort; Arrangement or disposition of running gear other than normal driving wheel
    • B61C11/06—Locomotives or motor railcars characterised by the type of means applying the tractive effort; Arrangement or disposition of running gear other than normal driving wheel tractive effort applied or supplied by aerodynamic force or fluid reaction, e.g. air-screws and jet or rocket propulsion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F16K1/2014—Shaping of the valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/04—Construction of housing; Use of materials therefor of sliding valves
    • F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/03—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with a closure member in the form of an iris-diaphragm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
    • F16K3/06—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/12—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with wedge-shaped arrangements of sealing faces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • F16K7/10—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with inflatable member

Definitions

  • the present disclosure relates to gate valves and air lock systems (e.g., using gate valves) for a high-speed transportation system, and methods of use thereof.
  • a high speed, high efficiency transportation system utilizes a low-pressure environment in order to reduce drag on a vehicle at high operating speeds, thus providing the dual benefit of allowing greater speed potential and lowering the energy costs associated with overcoming drag forces.
  • these systems may use a near vacuum (e.g., low- pressure) environment within a tubular structure. The entire span of the tube, which is potentially hundreds of miles, is maintained at a low pressure, and thus, air is evacuated from the tubular structure in order for the system to operate.
  • a near vacuum e.g., low- pressure
  • At least some embodiments of the present disclosure are directed to a gate valve operable to isolate sections of an externally pressurized, evacuated, or near vacuum tubular structure.
  • the valve when open, will also accommodate a passing vehicle within the diameter of the tube.
  • aspects of the present disclosure are directed to a high-speed transportation system, the system comprising: at least one transportation tube having at least one track along a transportation path; a plurality of capsules configured for travel through the at least one tube between stations; a propulsion system adapted to propel the at least one capsule through the tube; a levitation system adapted to levitate the capsule within the tube; and at least one tube sealer arranged along the at least one tube and configured to selectively create an airlock in the at least one tube.
  • the at least one tube sealer comprises a gate valve having a gate that is moveable into the transportation path to create the airlock in the at least one tube.
  • the gate valve additionally comprises a gate housing configured to accommodate the gate.
  • the gate housing includes reinforcement structures to increase strength and/or stiffness of the gate housing.
  • the gate valve additionally comprises at least one gate actuator configured to selectively move the gate into and/or out of the transportation path.
  • the at least one gate actuator comprises at least two gate actuators, wherein one gate actuator is configured to move the gate in a direction perpendicular to a direction of the transportation path, and wherein a second gate actuator is configured to move the gate in a direction parallel to the direction of the transportation path.
  • the gate valve additionally comprises at least one flange configured for attachment to the at least one tube.
  • the gate valve additionally comprises at least one gate guide within which the gate is selectively operable to move into the transportation path to create the airlock in the at least one tube.
  • the gate valve is linearly actuated into an operative position to create the airlock in the at least one tube.
  • the gate valve is rotationally actuated into an operative position to create the airlock in the at least one tube.
  • the gate valve comprises a wedge-shaped gate.
  • the gate includes a track-gap support surface that is structured and arranged to reduce a size of a gap in the transportation path when the gate is maintained in a gate storage area.
  • the gate valve includes a bridging element that is structured and arranged to reduce a size of a gap formed between adjacent tubes.
  • an actuator is configured for moving the bridging from a recessed position to a position within the gap.
  • the at least one tube sealer comprises a hyperbolic paraboloid-shaped sealing element that is positionable in the transportation path to create the airlock in the at least one tube.
  • the at least one tube sealer comprises an airbag that is inflatable in the transportation path to create the airlock in the at least one tube.
  • the airbag is attached to the tube.
  • the airbag comprises at least one sealing aid.
  • the airbag is a capsule-based airbag comprising an airbag arranged on each longitudinal end of the capsule.
  • the at least one transportation tube is maintained as a low-pressure environment.
  • the gate valve is linearly actuated in one direction into an operative position to create the airlock in the at least one tube.
  • the gate valve is linearly actuated in two discrete directions into an operative position to create the airlock in the at least one tube.
  • the gate valve comprises an iris-type aperture.
  • a tube sealer configured for creating an airlock in a tube of a high-speed transportation system comprising at least one transportation tube having at least one track along a transportation path; a plurality of capsules configured for travel through the at least one tube between stations; a propulsion system adapted to propel the at least one capsule through the tube; and a levitation system adapted to levitate the capsule within the tube.
  • the tube sealer comprises at least one of a gate valve having a gate that is moveable into the transportation path to create the airlock in the at least one tube; and an airbag that is inflatable in the transportation path to create the airlock in the at least one tube.
  • Additional aspects of the present disclosure are directed to a high-speed transportation system, the system comprising: at least one transportation tube having at least one track along a transportation path; a plurality of capsules configured for travel through the at least one tube between stations; a propulsion system adapted to propel the at least one capsule through the tube; a levitation system adapted to levitate the capsule within the tube; and at least one tube sealer arranged along the at least one tube and configured to selectively control pressure between two tube sections.
  • FIGURE 1 is a schematic view of the transportation system in accordance with embodiments of the present disclosure
  • FIGURE 2 illustrates a view of an exemplary capsule for use in the transportation system in accordance with embodiments of the present disclosure
  • FIGURE 3 illustrates a perspective view of an exemplary gate valve in accordance with embodiments of the present disclosure
  • FIGURE 4 illustrates a sectional view of an exemplary gate valve in accordance with embodiments of the present disclosure
  • FIGURE 5 illustrates a perspective view of exemplary gate valves attached to a transportation tube in accordance with embodiments of the present disclosure
  • FIGURES 6A - 6C are exemplary schematic depictions of an exemplary gate valve in accordance with embodiments of the present disclosure.
  • FIGURES 7A - 7C are exemplary schematic depictions of an exemplary gate valve in accordance with embodiments of the present disclosure.
  • FIGURES 8A - 8B are exemplary schematic depictions of an exemplary gate valve in accordance with embodiments of the present disclosure.
  • FIGURES 9A and 9B illustrate exemplary schematic partial sectional views of exemplary gate valves attached to a transportation tube in accordance with embodiments of the present disclosure
  • FIGURES 10A - 10D are exemplary schematic depictions of an exemplary gate valve in accordance with embodiments of the present disclosure.
  • FIGURES 11A - 11C are exemplary schematic depictions of an exemplary airbag valve in accordance with embodiments of the present disclosure.
  • FIGURES 12A - 12B are schematic perspective views of an exemplary airbag valve in accordance with embodiments of the present disclosure.
  • FIGURES 13A - 13B are schematic views of an exemplary capsule airbag valve in accordance with embodiments of the present disclosure.
  • FIGURE 14 depicts an exemplary process for deploying a gate valve (or airbag valve) in accordance with embodiments of the present disclosure.
  • the transportation system 10 comprises one or more capsules or transport pods 12 traveling through an enclosure; in one non-limiting embodiment described herein, the enclosure comprises at least one tube 14 (which can comprise a single tube or a plurality of connected tube segments) between two or more stations 16.
  • the one or more capsules 12 of the transportation system 10 move through a low-pressure environment within the at least one tube 14.
  • a low-pressure environment includes (but is not limited to) any pressure that is below 1 atmosphere (or approximately 1 bar) at sea level.
  • a system comprises one or more partially evacuated cylindrical tubes 14 that connect the stations 16 in a closed loop system.
  • tubes 14 may be sized for optimal air flow around the capsule 12 to improve performance and energy consumption efficiency at the expected or design travel speed.
  • the low-pressure environment in the tubes 14 minimizes the drag force on the capsule 12, while maintaining the relative ease of pumping out the air from the tubes.
  • the capsule 12 may be streamlined to reduce an air drag coefficient as the capsule 12 travels through the low-pressure environment of the at least one tube 14 of the transportation system.
  • a compressor arranged at the front end of the capsule is operable to ingest at least a portion of the incoming air and pass it through the capsule (instead of displacing the air around the vehicle).
  • the capsule 12 may include a compressor at its leading face.
  • the compressor is operable to ingest oncoming air and utilize the compressed air for the levitation process (when, for example, the capsules are supported via air bearings that operate using a compressed air reservoir and aerodynamic lift).
  • the compressed air may be used to spin a turbine, for example, located at the rear end of the capsule, to provide power to the capsule 12.
  • the capsule 12 may also include a motor structured and arranged to drive the compressor, and a battery for storing energy, e.g., derived from the turbine.
  • the capsule 12 also includes a payload area, which may be configured for humans, for cargo, and/or for both humans and cargo.
  • specific portions of the tube may need to be regularly re-pressurized to allow for ingress and egress of the vehicle without depressurizing the entire system.
  • the human passengers are loaded into the capsule in an ambient (e.g., 1 atm.) atmosphere, and the capsule is sealed in an air tight manner.
  • the sealed capsule is then loaded through an opening into a tube for insertion into the low-pressure tube environment.
  • the transportation system may include a plurality of gate valves arranged on and/or along the tube to provide an airlock so that when the capsule is loaded into the transportation tube (or, e.g., an emergency worker enters the tube), the low-pressure environment within the tube is not lost.
  • the gate valves may be arranged along a transportation route, spaced, e.g., every few kilometers.
  • the gate valves may be arranged on the tube at a point where the tube is supported by at least one support (e.g., a pillar) so as to utilize the support strength of the support to additionally carry the gate valve.
  • a gate valve may be arranged on a portion of unsupported tube (e.g., between supports or pillars).
  • discrete portions of the tube may need to be capable of depressurization for routine maintenance and/or emergency procedures. Completely pressurizing and depressurizing the entire tube for every one of these operations would cause massive delays in usage, as well as represent a significant source of energy, cost, and time consumption.
  • Conventional airlocks and their accompanying mechanisms can be large and/or unwieldy and/or expensive to implement, for example, over large scales. Additionally, conventional airlocks, for example, as used in high-pressure environments, are expensive and may be over-designed in order to counter high-pressure forces experienced in such environments.
  • FIG 3 illustrates a perspective view of an exemplary gate valve 300 in accordance with embodiments of the present disclosure, which may be used to control pressures between tube sections (e.g., create an airlock).
  • a valve door or gate
  • the gate valve 300 includes an upper housing 305 and a lower housing 310.
  • the lower housing 310 has a passageway 330 there-through for a capsule (not shown) to traverse in the directions 320.
  • the gate valve 300 is open, the gate 315 is maintained in the upper housing 305.
  • the gate valve 300 can be closed by lowering the gate 315 from its recessed position in the upper housing 305 (and, in embodiments, actuating the gate in one of direction 320) to seal off the passageway 330.
  • a guide structure forces the door to seal against a sealing surface that is substantially coaxial with the tube.
  • movement of the gate 315 may include a downward movement to arrange the gate in the passageway 330, followed by a lateral movement in one of directions 320 to create a seal between the gate 315 and interior of the lower housing 310.
  • the sealing surface can be substantially flat, which requires less seal maintenance.
  • the gate 315 (or valve door) can be made out of a number of hardened substances, such as steel or rubber.
  • the lower housing 310 also includes reinforcement rings (or flanges) 325 around the periphery of the passageway 330, which provide reinforcement to the lower housing 310, and provide an attachment surface for securing the tubes (not shown) to the gate valve 300.
  • the reinforcement rings (or flanges) 325 on either side of the lower housing 310 facilitate ease of attachment to the tubular structure (not shown), as the reinforcement rings (or flanges) 325 are configured to bolt to a mating flange attached to the tube.
  • FIG. 3 While the exemplary embodiment of Figure 3 includes “upper” and “lower” housings, these terms should not be construed to limit the disclosure. That is, the disclosure contemplates that the gate valve 300 may be oriented any number of ways other than with an "upper” gate storing area (e.g., with the gate storing area off to one side or below the tube).
  • the upper housing 305 includes reinforcement members 335, which are structured and arranged to provide additional strength to the gate valve 300.
  • the interior of the gate valve 300 will be at the same low pressure as the tube interior.
  • reinforcement members 335 are utilized to increase the strength of the housing of the gate valve, so as to reduce deformation and/or damage caused by the pressure differential between the inside and the outside of the gate valve 300.
  • Figure 4 illustrates a sectional perspective view of the exemplary gate valve 300 shown in Figure 3 in accordance with embodiments of the present disclosure. As shown in Figure 4, the gate 315 is currently positioned in the upper housing 305.
  • the gate valve 300 also includes at least one guiding track 340 on a side of the gate valve (e.g., two guiding tracks, one on each side).
  • the guiding tracks 340 serve to assist in guiding the gate in a downward (and upward direction) when the gate is moved. Additionally, the at least one guiding track 340 may also assist in resisting the forces (e.g., air pressures) applied to the gate when in a closed position.
  • the gate may also undergo a lateral movement when closing.
  • one or more lateral actuators 360 may be attached to the guiding track(s) 340 to actuate the guiding tracks 340 (and the gate 315 situated in the guiding tracks 340) in a lateral direction (i.e., along one of directions 320) so that the gate 315 is effectively sealed against an interior side of one of the reinforcement rings 325.
  • the lateral actuator 360 may comprise a motor, an electromechanical actuator, a mechanical linkage, a hydraulic cylinder, and/or pneumatic cylinder.
  • the gate 315 may be expected to endure high pressures (or high pressure differentials).
  • the gate 315 includes a gate reinforcement member 345 secured to the gate 315, which is structured and arranged to strengthen the gate 315.
  • the gate reinforcement member 345 may comprise an I-beam or truss structure, with other support configurations contemplated.
  • reinforcement members 335 can be provided on the upper housing 305 and may comprise, e.g., I- and/or T- beam structures utilized to increase the strength of the housing of the gate valve 300, so as to reduce deformation and/or damage caused by the pressure differential between the inside and the outside of the gate valve 300.
  • the gate 315 may be moved from the open position to the closed position (and/or vice versa) using an actuator.
  • the gate valve 300 may include a motor (e.g., a servo motor, linear motor), an electromechanical actuator, a mechanical linkage, a hydraulic cylinder, and/or pneumatic cylinder, configured to actuate the gate 315 both from open to closed positions, and from closed to open positions.
  • the gate valve 300 may include one or more sensors (e.g., optical sensors) operable to detect the current positon of the gate 315.
  • the gate valve may utilize gravitational forces to either open or close the gate.
  • the gate valve 300 may include a releasable latch (not shown) configured to maintain the gate 315 in the upper housing. Upon actuating the releasable latch, the gate 315 may fall into position (at least vertically) utilizing gravitational forces.
  • the gate valve 300 may include an actuator (e.g., a motor and/or hydraulic or pneumatic actuator) to move the gate 315 back to the open position.
  • at least one counter-balance may be used to assist in moving the gate 315 (e.g., either in a deployment direction or gate opening direction).
  • the gate 315 may have a convex/concave shape. In accordance with aspects of the disclosure, this convex/concave shape of the gate 315 assists in achieving a seal of the gate 315 against an interior of the lower housing 310.
  • a gap 350 may be provided in the gate valve 300.
  • an actuatable gap support (not shown) may be included to provide a support surface for the capsule to ride upon as it traverses the gate valve 300. For example, a bridge piece may be moved into place to allow the vehicle to bypass the gate valve 300.
  • the gate valve may be designed to handle atmospheric pressure against vacuum (as opposed to high-pressure valves, for example). In accordance with aspects of the disclosure, this allows the gate itself, along with the gate support structure and actuator to be relatively lightweight. That is, because the vacuum produced in this system is much lower than conventional valves are designed for, the gate valve is designed for lower vacuum tolerances expected in the high-speed transportation system.
  • the benefits of a lighter gate structure include quicker operating times and lighter, more easily maneuverable doors.
  • FIG. 5 illustrates a perspective view of exemplary gate valves 300, 300' attached to a transportation tube 14 in accordance with embodiments of the present disclosure.
  • a transportation tube 14 with gate valves 300 attached to each end might be utilized for example, as an air lock at the entrance and/or exit of the low-pressure transportation system.
  • a capsule (not shown) may be loaded into the tube 14 through the gate valve 300, and the gate 315 closed and sealed.
  • the pressure is then lowered in the tube using pumps 505 so that the pressure in the tube equals the pressure in the low-pressure environment of the transportation system.
  • the gate valve 300' can then be opened (while gate valve 300 remains closed), and the capsule can be moved out of the tube 14 and into the transportation system.
  • FIGS 6A - 6C are exemplary schematic depictions of an exemplary gate valve 300 in accordance with embodiments of the present disclosure.
  • the gate valve 300 is open, wherein the gate 315 is arranged in the upper housing 305 such that passageway 330 is unobstructed.
  • the gate 315 Upon actuation (e.g., releasing a latch or through suitable motor or actuator and controls), the gate 315 is operable to move in direction 605 so as to be positioned as shown with gate valve 300' in Figure 6B.
  • the gate 315 is now positioned to cover passageway 330, thus providing a seal.
  • the gate 315 may also be actuated in a capsule-passing direction (e.g., into and/or out of the page as depicted in Figures 6 A and 6B) to effectuate a seal between the gate 315 and an interior surface of the lower housing 310.
  • a capsule-passing direction e.g., into and/or out of the page as depicted in Figures 6 A and 6B
  • Figure 6C illustrates an exemplary schematic partial sectional view of exemplary gate valves attached to a transportation tube 14 in accordance with embodiments of the present disclosure. More specifically, Figure 6C schematically depicts two gate valves 300, 300' connected to a tube 14, in which gate valve 300 is in the open position and gate valve 300' is in the closed position. As depicted in the close-up of gate valve 300, in which the gate 315 is arranged in the upper housing 305, the gate 315 is arranged approximately in the center (as viewed in a left-right direction) of the upper housing 305.
  • closing the gate valve 300 includes actuating the gate 315 through two movements in two directions, e.g., downward direction 605, and leftward (or rightward) direction 610.
  • the gate 315' has been moved in direction 605 to align the gate 315' with the passageway, and then the gate 315' has been moved in direction 610 (e.g., leftward) to effectuate a seal between the gate 315 an interior of the lower housing 310 (e.g., interior flange surface).
  • the gate 315' may by moved in direction 605 by sliding downward in at least one gate guide (e.g., guiding tracks as described above with reference to Figure 4) using a suitable actuator (e.g., motor, linear motor, mechanical linkage).
  • a suitable actuator e.g., motor, linear motor, mechanical linkage.
  • the gate guides e.g., guiding tracks
  • the gate guides may be connected to a lateral actuator configured to move the gate guide assembly (e.g., the gate guide and the gate 315') towards and away from the interior walls of the lower housing, so as to effectuate a seal between the gate 315' and an interior walls of the lower housing.
  • FIGS 7A - 7C are exemplary schematic depictions of an exemplary gate valve 700 in accordance with other embodiments of the present disclosure.
  • the gate 715 (or door) acts similarly to a pendulum and "swings" into its closed position.
  • the gate 715 is operable to be actuated, e.g., using an actuator 735, from the open position to the closed position (and vice versa) through a rotational movement of the gate 715 (and, in embodiments, connector 710) around pivot 725.
  • the gate valve 700 is in the open position, wherein the gate 715 is maintained in a gate storage area 705 of the gate valve housing 720, such that the capsule passageway 730 is unobstructed.
  • the connector 710 e.g., a connector with an adjustable length
  • the pivot 725 may be utilized to connect the pivot 725 with the gate 715.
  • the gate valve 700' is in the closed position, wherein the gate 715 has been rotated around pivot 725 so as to seal the passageway 730. Similar to the embodiments discussed above, the gate 715 may also undergo a movement in a capsule- passing direction (e.g., into or out of the page as depicted in Figures 7A and 7B) to effectuate a seal between the gate 715 and an interior surface of the housing 720.
  • a rotary (or pendulum) movement a variety of actuators may be used.
  • the gate 715 may be rotationally actuated, at least in part, by a rotational motor or rotary engine, gravity, hydraulic actuators, and/or pneumatic actuators.
  • the gate may comprise an iris-type aperture (for example, similar to a camera aperture) that is operable to fully close, to control a pressure between tube sections.
  • FIG. 7A and 7B illustrate the gate housing 720 (i.e., the longitudinal axis of the gate housing 720) as being angularly arranged (with respect to vertical), as shown with the exemplary gate valve 700" of Figure 7C, the gate valve 700" may be structured and arranged such that the longitudinal axis of the gate housing 720 is approximately aligned with vertical.
  • FIGS 8A - 8B are exemplary schematic depictions of an exemplary gate valve 800 in accordance with embodiments of the present disclosure.
  • the gate acts as a wedge.
  • the gate may have an approximate triangular vertical cross- section.
  • a slanted sealing face may allow for quicker action than a relatively "flat" face (as described with the embodiments of Figure 3).
  • the relatively "flat" face embodiments may utilize two actuations (e.g., radial and axial) to properly orient the gate to seal the passageway. Such quicker actuation may be desirable in circumstances where speed of containment is essential, such as an emergency or leak.
  • an open gate valve 800 is arranged between two tubes 14 of a tube transportation system.
  • a wedge-shaped gate 815 is recessed within gate storage area 805 beyond a capsule transportation path 830.
  • An actuator 825 is operable to raise the gate 815 upwards to move the gate 815 into a gate-receiving area 840 such that an air seal is formed between the faces 820 of the gate 814 and the tubes 14.
  • the actuator 825 may be a hydraulic or pneumatic actuator, or a motor, for example.
  • the actuator may utilize gravity to move the gate 815 (e.g., when removing the gate 815 from the gate receiving area 840).
  • the gate 815 has been moved upwards into the gate-receiving area 840 such that an air seal is formed between the faces 820 of the gate 814 and the tubes 14.
  • the exemplary embodiment utilizes a gate storage area 805 arranged below the tube 14, as with other described embodiments, the disclosure contemplates other arrangements and/or orientations of the gate storage area 805 (e.g., above the tube 14 or to one or the other side of the tube).
  • respective gate storage areas that are angularly offset from one another may be utilized, for example, to achieve a desired spacing of the tubes 14 relative to one another.
  • the gate 815 may include a track-gap support surface 835 configured to support a passing capsule (not shown) when the gate 815 is in the gate storage area 805.
  • the gate 815 may be structured and arranged such that the track-gap support surface 835 is arranged in a gap 845 (e.g., the opening to the gate storage area 805) between the tubes 14.
  • the track-gap support surface 835 By utilizing the track-gap support surface 835, an area in the region of the gate valve 800 that may lack one or more elements of a track (e.g., elements of levitation, propulsion, and/or auxiliary tracks as otherwise may be provided in the tubes 14), is reduced. In accordance with aspects of the disclosure, by reducing this area, disturbances to the capsule passing over the gate valve 800 may be lessened, minimized, or eliminated.
  • the track support surface 835 may include one or more elements of the levitation, propulsion, and/or auxiliary tracks, as otherwise may be provided in one or more portions of the tubes 14.
  • the track support surface 835 may include an air bearing track and/or a wheeled track surface (e.g., a rail).
  • FIG 9A is an exemplary schematic depiction of another exemplary gate valve 900 in accordance with embodiments of the present disclosure.
  • the gate 815' is structured and arranged to "drop" from above the tube 14
  • a capsule will pass over a gap 850 formed by the narrower end of the gate receiving area 840.
  • this gap 850 is structured to accommodate a narrower end 855 of the wedge-shaped gate 815', this gap 850 is smaller than gap 845 (shown in Figure 8A).
  • the narrower end 850 of the wedge- shaped gate 815' may be configured (e.g., sized narrowly) to minimize the size of the gap 850. That is, with this exemplary embodiment, the width of the gap 850 depends upon the approximate width of the narrower end 850 of the wedge-shaped gate 815'. By minimizing the size of the gap 850, disturbances to the capsule passing over the gate valve 900 may be lessened, minimized, or eliminated.
  • FIG 9B is an exemplary schematic depiction of another exemplary gate valve 900' in accordance with embodiments of the present disclosure.
  • the gate valve 900' includes an actuatable bridging element 855 configured to be raised when the gate valve 900' is open so as to provide a "bridge" for the capsule as it traverses the gap 850 (shown in Figure 9A).
  • the gate valve 900' may also include an actuator 860 structured and arranged to actuate the bridging element 855 (e.g., upwardly and downwardly) to move the bridging element 855 into the gap when the gate valve 900' is open, and to move the bridging element 855 out of the gap when the gate valve 900' is closed, so as not to interfere with the closing and sealing of the gate valve 900'.
  • the gate 815 and the bridging element 855 may share a common actuator (e.g., through a mechanical connection), such that when the gate 815 is moved into a closed position, the bridging element 855 is moved so as not to interfere with the closing and sealing of the gate 815.
  • the bridging element 855 may include one or more elements of the levitation, propulsion, and/or auxiliary tracks, as otherwise may be provided in one or more portions of the tubes 14.
  • the bridging element 855 may include an air bearing track and/or a wheeled track surface (e.g., a rail).
  • the bridging element allows vehicles to traverse the valve without a need for any special navigation hardware.
  • the bridging element may be fixedly arranged in the gap, and the shape of the gate may be configured to interact with the bridging element so as to form a seal between the gate and the bridging element (as well as between the gate and the tube).
  • the gate may be configured with "cut-outs" sized to accommodate the shape of the gap so as to form a seal therewith when the gate is in the closed position.
  • the tracks may continue through a gate valve, and the gate may be configured (e.g., with "cut outs") to accommodate the shape of the one or more tracks so as to for a seal therewith when the gate is in the closed position.
  • FIGS 10A - 10D are exemplary schematic depictions of aspects of an exemplary gate valve 1000 in accordance with further embodiments of the present disclosure.
  • the gate valve 1000 includes a hyperbolic paraboloid gate (or door) 1015 that is configured and structured to rotate around a pivot 1005 (e.g., an actuatable hinge or rotational joint) in direction 1020.
  • a pivot 1005 e.g., an actuatable hinge or rotational joint
  • the gate 1015 In the open position, as schematically depicted in Figure 10A, the gate 1015 is positioned in tube 14, along a periphery of tube 14, such that the passageway through the tube 14 is not obstructed.
  • Figure 10B schematically illustrates a tube-direction view with the gate 1015 in a recessed or "open” position.
  • the disclosure also contemplates that the gate valve 1000 may also include a gate storage area (not shown) for accommodating, e.g., at least partially, a portion of the gate 1015 when in the recessed or "open” position.
  • the gate 1015 is configured to have a circular- shaped door (in tube-direction view) that matches a contour of the tube's inner hull.
  • the gate 1015 is structured and/or configured to create a circumferential seal with the interior of the tube 14, thus forming an airlock in the tube 14.
  • the gate 1015 (or door) has same outer contour as the inner contour of tube 14, in accordance with aspects of the disclosure, the door may have a very low profile and/or a small impact on the tube, minimizing the amount of alterations that may be necessary on the tube to implement airlocks. While the exemplary embodiments of Figures 10A - IOC depict a gate valve 1015 that is rotated upwardly to move into the closed position, the disclosure contemplates alternative orientations, e.g., deploying from above or from the side of the tube. Additionally, in certain embodiments, more than one gate valve 1015 may be arranged (e.g., oppositely to one another in the tube) to deploy in close proximity to one another to provide a double seal.
  • the gates 1015 may be fabricated using tube hull sections, which may involve lower manufacturing costs.
  • the gate 1015 may comprise a metal-doped rubber material, which has the benefits of the elastic properties of most elastomers along with added, increased strength.
  • rubber will be able to mitigate large pressure differentials by deforming to a much greater extent than would conventional metals.
  • metal strands and/or doped particles may be used to provide added strength and resilience to the gate material for continued use.
  • the natural ability of rubber to withstand large amounts of strain and not fail may have large benefits.
  • rubber may be a suitable material for use in the inflatable valves (and in some embodiments, the gate valves) of the present disclosure.
  • Figure 10D schematically illustrates a perspective view of a hyperbolic paraboloid- shaped gate 1015 in accordance with aspects of the disclosure.
  • the gate 1015 is actuated (e.g., using an actuator 1005 such as those described above) to the open position, transportation path 1020 is not obstructed by the gate 1015.
  • FIGS 11A - 11C are exemplary schematic depictions of an exemplary tube- deployed airbag valve 1100 in accordance with embodiments of the present disclosure.
  • a durable, high pressure bladder or airbag
  • the airbag may comprise a soft, polymeric material that is embedded in the surface of the tube and which may be rapidly filled with gas, in a situation where quick containment may be necessary, such as an emergency, minimizing the re-pressurization of the tube from its low-pressure state.
  • the bladder (or airbag) may be arranged (e.g., pre-arranged) in a wall of the tube in a pre-deployed state, and then be deployed when necessary.
  • utilizing airbags to create airlocks in the high-speed transportation system may be safer and/or softer (e.g., less impactful on the tubular structure) and quieter, may require less energy to actuate (e.g., deploy and un-deploy), may require less mass, and/or may utilize a smaller stored volume than utilizing a solid gate (e.g., a solid metal gate).
  • a solid gate e.g., a solid metal gate
  • an airbag valve 1100 includes an expandable airbag 1115, which is arranged in the tube 14 in an un-deployed state.
  • An airbag filling mechanism 1110 is in fluid communication with the airbag valve 1100 and is configured and operable to fill the air bag 1115.
  • the airbag filling mechanism 1110 may be an air pump, or a pre-charged gas canister.
  • the ambient air (e.g., at atmospheric pressure) outside the tube 14 may be higher than the low-pressure environment in the interior of the tube 14, the airbag filling mechanism 1110 may comprise an actuatable opening in the tube to allow ambient air (e.g., at atmospheric pressure) to enter and fill the airbag 1115.
  • the airbag filling mechanism 1110 may also be operable to deflate the airbag 1115, for example, after the airbag is no longer needed or desired.
  • the airbag filling mechanism 1110 may include, for example, a suitable pump to remove air from an inflated airbag.
  • the airbag filling mechanism 1110 is shown arranged on an exterior of the tube 14, in embodiments, the airbag filling mechanism 1110 (or portions of the airbag filling mechanism 1110) may be arranged within an interior of the tube 14.
  • the airbag valve 1100 also includes suitable controls (e.g., one or more processors) operable to receive instructions (e.g., from a nearby capsule, from a tube communication system, and/or at least one central control) and to instruct the airbag filling mechanism 1110 to fill the airbag 1115.
  • suitable controls e.g., one or more processors
  • instructions e.g., from a nearby capsule, from a tube communication system, and/or at least one central control
  • the airbag filling mechanism 1110 to fill the airbag 1115.
  • the airbag filling mechanism 1110 may also serve as a secure attachment point for the airbag 1115, configured to maintain the airbag 1115 in its relative position within the tube 14. While the exemplary embodiment of Figures 11A - 11C depict an airbag valve 1100 structured and arranged to deploy from above, the disclosure contemplates other arrangements of the airbag valve 1100 (e.g., below the tube 14 or on one side of the tube 14). While, in the context of the present disclosure, the high pressure bladder is described as an airbag, this should not be construed as limiting the disclosed embodiments, and the disclosure contemplates that other fluids with suitable properties (e.g., other gases) may be used to inflate the airbag 1115.
  • suitable properties e.g., other gases
  • FIG 11B schematically illustrates the tube-deployed airbag valve 1100' in an intermediate arrangement, wherein the airbag 1115' is partially inflated in accordance with embodiments of the present disclosure. As shown in Figure 11B, the airbag 1115' does not yet occupy the entire cross-sectional area of the tube 14. As the airbag filling mechanism 1110 continues to fill the airbag 115', the outer periphery of the airbag 115' expands within the tube 14 to close the gap there between.
  • FIG 11C schematically illustrates the tube-deployed airbag valve 110"' in a deployed arrangement, wherein the airbag 1115" is arranged in the tube 14 to occupy and completely fill an entire cross-sectional area of the tube 14, so as to create an airlock in accordance with embodiments of the present disclosure.
  • the fully-deployed airbag 1115" is in contact with the interior wall of the tube around an entire interior periphery of the tube 14.
  • the airbag 1115 may comprise a lightweight medium that is capable of maintaining a seal in the tubes 14 and/or in or around stations of the transportation system.
  • the airbag 1115 may comprise a pressurized rubber inner core bladder with aramid external coatings, which, in accordance with aspects of the disclosure, can greatly reduce cost and weight of the airbag 1115.
  • the airbag 1115 (or bladder) may be encased between layers of an aramid material. Additionally, in some embodiments, a Kevlar-like outer layer may be used to increase rigidity of the airbag 1115.
  • inflatable airbags may deform (e.g., highly deform) under pressure inside the tube 14 without an airbag support structure (e.g., an external or internal support structure).
  • aramid fiber sheets encase an inflatable diaphragm of the airbag.
  • an aramid fibrous material has a high tensile capacity, which may be used to counter the forces received in and on the airbag.
  • the airlock system weight is greatly reduced as opposed to conventional airlocks.
  • the time it takes to position the airlock device in the tube and create an airlock in the tube will also decrease when using a lighter airlock (e.g., an airbag airlock).
  • Figures 12A - 12B are exemplary schematic perspective depictions of an exemplary airbag valve 1200 in accordance with embodiments of the present disclosure.
  • an airbag 1215 is in an un-deployed state, and the passageway through the tube 14 is open and unobstructed.
  • the exemplary schematic depiction of Figure 12A shows the airbag 1215 and airbag filling mechanism 1210 arranged on a bottom side of the tube 14, it should be understood that the airbag 1215 is structured and arranged so that it, when in an un-deployed state, the airbag 1215 (and any components of the airbag valve 1200) arranged in the tube 14 do not impede passage of a capsule (not shown) through the tube 14.
  • the airbag 1215' is in a deployed state, and in sealing contact with an interior periphery of the tube 14.
  • the airbag valve 1200 includes one or more sealing aids 1220 arranged on a periphery of the airbag 1215' (and/or within the airbag 1215').
  • the sealing aid 1220 may comprise a magnet configured to interact (e.g. magnetically attach) with the interior wall of the tube 14 (e.g., a steel tube).
  • the magnet may be an electromagnet (which may be actuatable to turn on or off the magnetization), and in other contemplated embodiments the magnet may be a passive magnet (and/or a mixture of electromagnets and passive magnets).
  • the airbag valve 1200 may also include suitable controls and electrical connections to selectively actuate (e.g., power) the at least one electromagnet.
  • the sealing aid 1220 may comprise a releasable adhesive configured to adhere (e.g., temporarily) to an interior wall of the tube 14.
  • the sealing aid 1220 may comprise an additional layer of material configured to enhance a seal between the airbag 1215' and the interior wall of the tube 14. While the exemplary embodiment of Figure 12B depicts three sealing aids 1220 arranged approximately around a circumference of the airbag (e.g., when in a deployed state), the disclosure contemplates that the airbag 1215' may include any number of sealing aids 1220 (e.g., from one sealing aid 1220, for example, located opposite the airbag filling mechanism 1210, to six sealing aids 1220, to a continuous sealing aid arranged approximately around the entire circumference of the airbag 1215').
  • one or more sensors in communication with at least one capsule or at least one central control, may be utilized to prevent or delay actuation of a gate valve when a capsule is in close proximity to the gate valve.
  • FIGS 13A and 13B schematically depict different stages of deployment of a vehicle- based deployable airbag system 1300, 1300'.
  • vehicle- based and/or tube based deployable airbags for high-speed transportation systems are discussed in related application Ser. No. (Attorney Docket No. P48993), entitled “Deployable Decelerator,” filed on even date herewith, the entire content of which is expressly incorporated by reference herein in its entirety.
  • a capsule 12 includes two vehicle-based deployable airbags 1315 at least one at each end of the capsule 12, that are in an uninflated state. While the airbags 1315 are depicted as being arranged on the surface of the capsule 12, in embodiments, the airbags (when uninflated) may be arranged, for example, within a wall of the capsule 12 or within the capsule 12.
  • the deployable airbag system 1300 also includes airbag inflation devices 1320 arranged on the capsule, which are configured to inflate the deployable airbags 1315. As shown in Figure 13 A, neither of airbags 1315 is deployed, and the passageway for the capsule 12 through the tube 14 is unobstructed.
  • the airbags 1315 have been deployed and inflated so as to form two airlocks in the tube 14.
  • the capsule 12 is sealed off from the low- pressure environment of the tube 14.
  • the tube may include at least one escape hatch 1325 configured to permit egress from and/or ingress into the tube 14.
  • the capsule 12 may be controlled to stop in proximity to such an escape hatch 1325, and the airbags 1315 may be deployed to create air locks around the capsule 12.
  • the sealed section of the tube can be re-pressurized (e.g., by opening the escape hatch 1325) and the escape hatch 1325 can be used to remove the passengers from the capsule 12 and/or permit emergency workers and/or maintenance workers into the tube 14.
  • a vehicle-based deployable airbag may be deployed in two or more stages, wherein with a first stage, the airbag is operable to inflate to a partial extent (e.g., not filling the tube cross-section) so as to assist in decelerating the capsule. With a subsequent stage, the airbag is operable to be completely inflated, so as to fill the tube cross-section and create an air seal.
  • vehicle-based and/or tube based deployable airbags or (a plurality of hand-carried airbag deployers, for example) may be used to seal off a region of the tube (e.g., a smaller region) so that a human can access the interior of the tube.
  • a plurality of tube-based deployable airbags may be activated in a region of an access port (e.g., a man access port). In accordance with aspects of the disclosure, this allows an individual to enter into a chamber that re-pressurizes (e.g., to the outside ambient pressure), allowing individual access to the larger tube without sacrificing the internal depressurization of the tube.
  • a maintenance worker may travel in the capsule to a region requiring maintenance, deploy the vehicle- based deployable airbags to create airlocks around the region requiring maintenance, de- pressurize the portion of the tube between the two airlocks, and exit the capsule vehicle to provide any necessary maintenance.
  • FIG 14 depicts an exemplary process 1400 for deploying a gate valve (or airbag valve) in accordance with embodiments of the present disclosure.
  • a gate valve (or airbag) controller (e.g., comprising one or more processors) is operable to monitor and/or receive one or more operation parameters of a transportation system.
  • the gate valve (or airbag) controller is operable to determine (e.g., detect) whether a gate valve deployment triggering event has occurred.
  • the gate valve (or airbag) controller may detect a loss of the low-pressure environment, or may receive a triggering signal from a suitable sensor (e.g., a pressure sensor).
  • gate valve (or airbag) controller detects a gate valve deployment triggering event
  • the gate valve (or airbag) controller is operable to deploy one or more gate valves (or airbags) arranged in the transportation system (e.g., on a capsule or within the tube structure). If, at step 1410, gate valve (or airbag) controller does not detect a gate valve deployment triggering event, the process continues at step 1405.
  • computer-readable medium may be described as a single medium, the term “computer-readable medium” includes a single medium or multiple media, such as a centralized or distributed database, and/or associated caches and servers that store one or more sets of instructions.
  • the term “computer-readable medium” shall also include any medium that is capable of storing, encoding or carrying a set of instructions for execution by a processor or that cause a computer system to perform any one or more of the embodiments disclosed herein.
  • the computer-readable medium may comprise a non-transitory computer-readable medium or media and/or comprise a transitory computer-readable medium or media.
  • the computer-readable medium can include a solid-state memory such as a memory card or other package that houses one or more nonvolatile read-only memories.
  • the computer-readable medium can be a random access memory or other volatile re-writable memory.
  • the computer-readable medium can include a magneto-optical or optical medium, such as a disk, tapes or other storage device to capture carrier wave signals such as a signal communicated over a transmission medium.
  • the disclosure is considered to include any computer- readable medium or other equivalents and successor media, in which data or instructions may be stored.
  • the present application describes specific embodiments which may be implemented as code segments in computer-readable media, it is to be understood that dedicated hardware implementations, such as application specific integrated circuits, programmable logic arrays and other hardware devices, can be constructed to implement one or more of the embodiments described herein.
  • Applications that may include the various embodiments set forth herein may broadly include a variety of electronic and computer systems. Accordingly, the present application may encompass software, firmware, and hardware implementations, or combinations thereof.
  • inventions of the disclosure may be referred to herein, individually and/or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any particular invention or inventive concept.
  • inventions may be referred to herein, individually and/or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any particular invention or inventive concept.
  • specific embodiments have been illustrated and described herein, it should be appreciated that any subsequent arrangement designed to achieve the same or similar purpose may be substituted for the specific embodiments shown.
  • This disclosure is intended to cover any and all subsequent adaptations or variations of various embodiments. Combinations of the above embodiments, and other embodiments not specifically described herein, will be apparent to those of skill in the art upon reviewing the description.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fluid Mechanics (AREA)
  • Sliding Valves (AREA)
  • Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

L'invention concerne un système de transport à grande vitesse, le système comprenant au moins un tube de transport ayant au moins une piste, au moins une capsule configurée pour se déplacer à travers l'au moins un tube entre des stations, un système de propulsion adapté pour propulser l'au moins une capsule à travers le tube ; un système de lévitation conçu pour faire léviter la capsule à l'intérieur du tube, et au moins un élément d'étanchéité de tube disposé le long de l'au moins un tube et configuré pour créer un sas à air dans l'au moins un tube. Dans des modes de réalisation, l'élément d'étanchéité de tube peut comprendre une valve à obturateur et/ou un coussin gonflable de sécurité.
PCT/US2016/015239 2015-02-08 2016-01-27 Valves à obturateur et sas à air pour un système de transport Ceased WO2016126507A1 (fr)

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US201562113511P 2015-02-08 2015-02-08
US62/113,511 2015-02-08
US201562232876P 2015-09-25 2015-09-25
US62/232,876 2015-09-25
US201562242562P 2015-10-16 2015-10-16
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US20170146136A1 (en) 2017-05-25

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